/*
 * Copyright 2014-2015 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.deepoove.poi.util;

import org.apache.commons.lang3.StringUtils;

/**
 * 正则工具类
 * 
 * @author Sayi
 * @version
 */
public final class RegexUtils {

	public static String escapeExprSpecialWord(String keyword) {
		if (StringUtils.isNotBlank(keyword)) {
			String[] fbsArr = { "\\", "$", "(", ")", "*", "+", ".", "[", "]", "?", "^", "{", "}",
					"|" };
			for (String key : fbsArr) {
				if (keyword.contains(key)) {
					keyword = keyword.replace(key, "\\" + key);
				}
			}
		}
		return keyword;
	}
}
